I27.841 — Fontan-associated lymphatic dysfunction
Is I27.841 billable?
Yes — I27.841 is billable for FY2027. I27.841 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I27.841 may be submitted for encounters from October 1, 2026 through September 30, 2027.
I27.841 at a glance
| Code | I27.841 |
|---|---|
| Description | Fontan-associated lymphatic dysfunction |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I27.841 group to?
I27.841 sits in MDC 16 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 808Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders with MCCmedical
- 809Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders with CCmedical
- 810Major Hematological and Immunological Diagnoses Except Sickle Cell Crisis and Coagulation Disorders without CC/MCCmedical
How is I27.841 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I27.841. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dysfunction › lymphatic › Fontan-associated
- Circulation › Fontan related › with › Fontan-associated lymphatic dysfunction
Code also
Two codes may be needed to describe the condition fully. Whether I27.841 is sequenced first depends on the reason for the encounter.
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I27.841, but a patient may have both at the same time. When documentation supports it, I27.841 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
How long has I27.841 existed?
I27.841 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.